/*
 * JQuery zTree exHideNodes v3.5.24
 * http://zTree.me/
 *
 * Copyright (c) 2010 Hunter.z
 *
 * Licensed same as jquery - MIT License
 * http://www.opensource.org/licenses/mit-license.php
 *
 * email: hunter.z@263.net
 * Date: 2016-06-06
 */
(function($){
    //default init node of exLib
    var _initNode = function(setting, level, n, parentNode, isFirstNode, isLastNode, openFlag) {
        if (typeof n.isHidden == "string") n.isHidden = tools.eqs(n.isHidden, "true");
        n.isHidden = !!n.isHidden;
        data.initHideForExCheck(setting, n);
    },
    //add dom for check
    _beforeA = function(setting, node, html) {},
    //update zTreeObj, add method of exLib
    _zTreeTools = function(setting, zTreeTools) {
        zTreeTools.showNodes = function(nodes, options) {
            view.showNodes(setting, nodes, options);
        }
        zTreeTools.showNode = function(node, options) {
            if (!node) {
                return;
            }
            view.showNodes(setting, [node], options);
        }
        zTreeTools.hideNodes = function(nodes, options) {
            view.hideNodes(setting, nodes, options);
        }
        zTreeTools.hideNode = function(node, options) {
            if (!node) {
                return;
            }
            view.hideNodes(setting, [node], options);
        }

        var _checkNode = zTreeTools.checkNode;
        if (_checkNode) {
            zTreeTools.checkNode = function(node, checked, checkTypeFlag, callbackFlag) {
                if (!!node && !!node.isHidden) {
                    return;
                }
                _checkNode.apply(zTreeTools, arguments);
            }
        }
    },
    //method of operate data
    _data = {
        initHideForExCheck: function(setting, n) {
            if (n.isHidden && setting.check && setting.check.enable) {
                if(typeof n._nocheck == "undefined") {
                    n._nocheck = !!n.nocheck
                    n.nocheck = true;
                }
                n.check_Child_State = -1;
                if (view.repairParentChkClassWithSelf) {
                    view.repairParentChkClassWithSelf(setting, n);
                }
            }
        },
        initShowForExCheck: function(setting, n) {
            if (!n.isHidden && setting.check && setting.check.enable) {
                if(typeof n._nocheck != "undefined") {
                    n.nocheck = n._nocheck;
                    delete n._nocheck;
                }
                if (view.setChkClass) {
                    var checkObj = $$(n, consts.id.CHECK, setting);
                    view.setChkClass(setting, checkObj, n);
                }
                if (view.repairParentChkClassWithSelf) {
                    view.repairParentChkClassWithSelf(setting, n);
                }
            }
        }
    },
    //method of operate ztree dom
    _view = {
        clearOldFirstNode: function(setting, node) {
            var n = node.getNextNode();
            while(!!n){
                if (n.isFirstNode) {
                    n.isFirstNode = false;
                    view.setNodeLineIcos(setting, n);
                    break;
                }
                if (n.isLastNode) {
                    break;
                }
                n = n.getNextNode();
            }
        },
        clearOldLastNode: function(setting, node, openFlag) {
            var n = node.getPreNode();
            while(!!n){
                if (n.isLastNode) {
                    n.isLastNode = false;
                    if (openFlag) {
                        view.setNodeLineIcos(setting, n);
                    }
                    break;
                }
                if (n.isFirstNode) {
                    break;
                }
                n = n.getPreNode();
            }
        },
        makeDOMNodeMainBefore: function(html, setting, node) {
            html.push("<li ", (node.isHidden ? "style='display:none;' " : ""), "id='", node.tId, "' class='", consts.className.LEVEL, node.level,"' tabindex='0' hidefocus='true' treenode>");
        },
        showNode: function(setting, node, options) {
            node.isHidden = false;
            data.initShowForExCheck(setting, node);
            $$(node, setting).show();
        },
        showNodes: function(setting, nodes, options) {
            if (!nodes || nodes.length == 0) {
                return;
            }
            var pList = {}, i, j;
            for (i=0, j=nodes.length; i<j; i++) {
                var n = nodes[i];
                if (!pList[n.parentTId]) {
                    var pn = n.getParentNode();
                    pList[n.parentTId] = (pn === null) ? data.getRoot(setting) : n.getParentNode();
                }
                view.showNode(setting, n, options);
            }
            for (var tId in pList) {
                var children = pList[tId][setting.data.key.children];
                view.setFirstNodeForShow(setting, children);
                view.setLastNodeForShow(setting, children);
            }
        },
        hideNode: function(setting, node, options) {
            node.isHidden = true;
            node.isFirstNode = false;
            node.isLastNode = false;
            data.initHideForExCheck(setting, node);
            view.cancelPreSelectedNode(setting, node);
            $$(node, setting).hide();
        },
        hideNodes: function(setting, nodes, options) {
            if (!nodes || nodes.length == 0) {
                return;
            }
            var pList = {}, i, j;
            for (i=0, j=nodes.length; i<j; i++) {
                var n = nodes[i];
                if ((n.isFirstNode || n.isLastNode) && !pList[n.parentTId]) {
                    var pn = n.getParentNode();
                    pList[n.parentTId] = (pn === null) ? data.getRoot(setting) : n.getParentNode();
                }
                view.hideNode(setting, n, options);
            }
            for (var tId in pList) {
                var children = pList[tId][setting.data.key.children];
                view.setFirstNodeForHide(setting, children);
                view.setLastNodeForHide(setting, children);
            }
        },
        setFirstNode: function(setting, parentNode) {
            var childKey = setting.data.key.children, childLength = parentNode[childKey].length;
            if (childLength > 0 && !parentNode[childKey][0].isHidden) {
                parentNode[childKey][0].isFirstNode = true;
            } else if (childLength > 0) {
                view.setFirstNodeForHide(setting, parentNode[childKey]);
            }
        },
        setLastNode: function(setting, parentNode) {
            var childKey = setting.data.key.children, childLength = parentNode[childKey].length;
            if (childLength > 0 && !parentNode[childKey][0].isHidden) {
                parentNode[childKey][childLength - 1].isLastNode = true;
            } else if (childLength > 0) {
                view.setLastNodeForHide(setting, parentNode[childKey]);
            }
        },
        setFirstNodeForHide: function(setting, nodes) {
            var n,i,j;
            for (i=0, j=nodes.length; i<j; i++) {
                n = nodes[i];
                if (n.isFirstNode) {
                    break;
                }
                if (!n.isHidden && !n.isFirstNode) {
                    n.isFirstNode = true;
                    view.setNodeLineIcos(setting, n);
                    break;
                } else {
                    n = null;
                }
            }
            return n;
        },
        setFirstNodeForShow: function(setting, nodes) {
            var n,i,j, first, old;
            for(i=0, j=nodes.length; i<j; i++) {
                n = nodes[i];
                if (!first && !n.isHidden && n.isFirstNode) {
                    first = n;
                    break;
                } else if (!first && !n.isHidden && !n.isFirstNode) {
                    n.isFirstNode = true;
                    first = n;
                    view.setNodeLineIcos(setting, n);
                } else if (first && n.isFirstNode) {
                    n.isFirstNode = false;
                    old = n;
                    view.setNodeLineIcos(setting, n);
                    break;
                } else {
                    n = null;
                }
            }
            return {"new":first, "old":old};
        },
        setLastNodeForHide: function(setting, nodes) {
            var n,i;
            for (i=nodes.length-1; i>=0; i--) {
                n = nodes[i];
                if (n.isLastNode) {
                    break;
                }
                if (!n.isHidden && !n.isLastNode) {
                    n.isLastNode = true;
                    view.setNodeLineIcos(setting, n);
                    break;
                } else {
                    n = null;
                }
            }
            return n;
        },
        setLastNodeForShow: function(setting, nodes) {
            var n,i,j, last, old;
            for (i=nodes.length-1; i>=0; i--) {
                n = nodes[i];
                if (!last && !n.isHidden && n.isLastNode) {
                    last = n;
                    break;
                } else if (!last && !n.isHidden && !n.isLastNode) {
                    n.isLastNode = true;
                    last = n;
                    view.setNodeLineIcos(setting, n);
                } else if (last && n.isLastNode) {
                    n.isLastNode = false;
                    old = n;
                    view.setNodeLineIcos(setting, n);
                    break;
                } else {
                    n = null;
                }
            }
            return {"new":last, "old":old};
        }
    },

    _z = {
        view: _view,
        data: _data
    };
    $.extend(true, $.fn.zTree._z, _z);

    var zt = $.fn.zTree,
    tools = zt._z.tools,
    consts = zt.consts,
    view = zt._z.view,
    data = zt._z.data,
    event = zt._z.event,
    $$ = tools.$;

    data.addInitNode(_initNode);
    data.addBeforeA(_beforeA);
    data.addZTreeTools(_zTreeTools);

//    Override method in core
    var _dInitNode = data.initNode;
    data.initNode = function(setting, level, node, parentNode, isFirstNode, isLastNode, openFlag) {
        var tmpPNode = (parentNode) ? parentNode: data.getRoot(setting),
            children = tmpPNode[setting.data.key.children];
        data.tmpHideFirstNode = view.setFirstNodeForHide(setting, children);
        data.tmpHideLastNode = view.setLastNodeForHide(setting, children);
        if (openFlag) {
            view.setNodeLineIcos(setting, data.tmpHideFirstNode);
            view.setNodeLineIcos(setting, data.tmpHideLastNode);
        }
        isFirstNode = (data.tmpHideFirstNode === node);
        isLastNode = (data.tmpHideLastNode === node);
        if (_dInitNode) _dInitNode.apply(data, arguments);
        if (openFlag && isLastNode) {
            view.clearOldLastNode(setting, node, openFlag);
        }
    };

    var _makeChkFlag = data.makeChkFlag;
    if (!!_makeChkFlag) {
        data.makeChkFlag = function(setting, node) {
            if (!!node && !!node.isHidden) {
                return;
            }
            _makeChkFlag.apply(data, arguments);
        }
    }

    var _getTreeCheckedNodes = data.getTreeCheckedNodes;
    if (!!_getTreeCheckedNodes) {
        data.getTreeCheckedNodes = function(setting, nodes, checked, results) {
            if (!!nodes && nodes.length > 0) {
                var p = nodes[0].getParentNode();
                if (!!p && !!p.isHidden) {
                    return [];
                }
            }
            return _getTreeCheckedNodes.apply(data, arguments);
        }
    }

    var _getTreeChangeCheckedNodes = data.getTreeChangeCheckedNodes;
    if (!!_getTreeChangeCheckedNodes) {
        data.getTreeChangeCheckedNodes = function(setting, nodes, results) {
            if (!!nodes && nodes.length > 0) {
                var p = nodes[0].getParentNode();
                if (!!p && !!p.isHidden) {
                    return [];
                }
            }
            return _getTreeChangeCheckedNodes.apply(data, arguments);
        }
    }

    var _expandCollapseSonNode = view.expandCollapseSonNode;
    if (!!_expandCollapseSonNode) {
        view.expandCollapseSonNode = function(setting, node, expandFlag, animateFlag, callback) {
            if (!!node && !!node.isHidden) {
                return;
            }
            _expandCollapseSonNode.apply(view, arguments);
        }
    }

    var _setSonNodeCheckBox = view.setSonNodeCheckBox;
    if (!!_setSonNodeCheckBox) {
        view.setSonNodeCheckBox = function(setting, node, value, srcNode) {
            if (!!node && !!node.isHidden) {
                return;
            }
            _setSonNodeCheckBox.apply(view, arguments);
        }
    }

    var _repairParentChkClassWithSelf = view.repairParentChkClassWithSelf;
    if (!!_repairParentChkClassWithSelf) {
        view.repairParentChkClassWithSelf = function(setting, node) {
            if (!!node && !!node.isHidden) {
                return;
            }
            _repairParentChkClassWithSelf.apply(view, arguments);
        }
    }
})(jQuery);